Ct uses xrays taken an 360 degrees combined with a computer to see"inside" the body. The table moves as the xray tube and detectors spin around the patient 10 times a second or more! the image shows excellent soft tissue detail, enhanced with injection of intravenous contrast or oral contrast. This way the body is shown in slices, in any plane, usually axially, but often coronal or saggital.
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3

The IV:
An IV is placed for ct scan with contrast. This should be the only pain. The exception might be if you are having a ct myelogram, where dye/contrast is injected directly into you spinal fluid. This is not common.
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5

Hemangiomas:
are common incidental findings when imaging the spine. They are benign, and generally of no concern. Some radiologists don't bother mentioning them in their reports. They are only a potential problem if they are very large(causing the vertebral body to be weaker and more prone to fracture) or expansile. But that is very unusual, and highly unlikely if yours was only mentioned as "incidental"
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7

Hemangioma...:
hemangiomas are abnormal blood vessel collections. Whether or not they need to be treated depends on the exact location and size. The word "incidentally" means something else was being looked for but this was found. You need to follow up with the doctor who ordered the test and see what treatment, if any, is needed. Good luck!
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8

Think about it:
You have the subjective feeling of cold and burning but I bet the skin is normal to touch. Wait a bit and see if it goes away. Make sure you are eating well and getting enough exercise. if all else fails get another opinion
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9

Spine mainly,:
But depending on how tight it scan is windowed and how low the scan goes, you may see portions of your lungs, heart, great vessels, stomach, diaphragm, liver... But this will not be the way to adequately study these organs as they will not be well visualized.
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10

Yes and No:
If there is evidence of facet abnormalities, then yes. Often most of us get some level of facet degeneration as we get older and those of us more active can face more degeneration, however that does not mean we need to treat these issues. Sometimes consideration of facet injection/treatments is based on pain in the area and diagnostic test block of the nerve associated with that joint.
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